/* Copyright (C) 2003 MySQL AB

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

//****************************************************************************
// 
// NAME
//      Backup - Database backup / restore
//
//===========================================================================
#include "Backup.hpp"

#include <new>
#include <Properties.hpp>
#include <Configuration.hpp>

//extern const unsigned Ndbcntr::g_sysTableCount;

Backup::Backup(const Configuration & conf) :
  SimulatedBlock(BACKUP, conf),
  c_nodes(c_nodePool),
  c_backups(c_backupPool)
{
  BLOCK_CONSTRUCTOR(Backup);
  
  c_nodePool.setSize(MAX_NDB_NODES);
  c_masterNodeId = getOwnNodeId();
  
  const Properties * p = conf.getOwnProperties();
  ndbrequire(p != 0);

  Uint32 noBackups = 0, noTables = 0, noAttribs = 0;
  p->get("ParallelBackups", &noBackups);
  ndbrequire(p->get("MaxNoOfTables", &noTables));
  ndbrequire(p->get("MaxNoOfAttributes", &noAttribs));

  // To allow for user tables AND SYSTAB 
  // See ClusterConfig
  //TODO get this infor from NdbCntr
  noTables += 2;

  // Considering also TR527, this is a KISS work-around to be able to
  // continue testing the real thing
  noAttribs += 2 + 1;
  
  c_backupPool.setSize(noBackups);
  c_backupFilePool.setSize(3 * noBackups);
  c_tablePool.setSize(noBackups * noTables);
  c_attributePool.setSize(noBackups * noAttribs);
  c_triggerPool.setSize(noBackups * 3 * noTables);

  // 2 = no of replicas
  c_fragmentPool.setSize(noBackups * 2 * NO_OF_FRAG_PER_NODE * noTables);
  
  Uint32 szMem = 0;
  p->get("BackupMemory", &szMem);
  Uint32 noPages = (szMem + sizeof(Page32) - 1) / sizeof(Page32);
  // We need to allocate an additional of 2 pages. 1 page because of a bug in
  // ArrayPool and another one for DICTTAINFO.
  c_pagePool.setSize(noPages + NO_OF_PAGES_META_FILE + 2); 

  Uint32 szDataBuf = (2 * 1024 * 1024);
  Uint32 szLogBuf = (2 * 1024 * 1024);
  Uint32 szWrite = 32768;
  p->get("BackupDataBufferSize", &szDataBuf);
  p->get("BackupLogBufferSize", &szLogBuf);
  p->get("BackupWriteSize", &szWrite);
  
  c_defaults.m_logBufferSize = szLogBuf;
  c_defaults.m_dataBufferSize = szDataBuf;
  c_defaults.m_minWriteSize = szWrite;
  c_defaults.m_maxWriteSize = szWrite;
  
  { // Init all tables
    ArrayList<Table> tables(c_tablePool);
    TablePtr ptr;
    while(tables.seize(ptr)){
      new (ptr.p) Table(c_attributePool, c_fragmentPool);
    }
    tables.release();
  }

  {
    ArrayList<BackupFile> ops(c_backupFilePool);
    BackupFilePtr ptr;
    while(ops.seize(ptr)){
      new (ptr.p) BackupFile(* this, c_pagePool);
    }
    ops.release();
  }
  
  {
    ArrayList<BackupRecord> recs(c_backupPool);
    BackupRecordPtr ptr;
    while(recs.seize(ptr)){
      new (ptr.p) BackupRecord(* this, c_pagePool, c_tablePool, 
			       c_backupFilePool, c_triggerPool);
    }
    recs.release();
  }

  // Initialize BAT for interface to file system
  {
    Page32Ptr p;
    ndbrequire(c_pagePool.seizeId(p, 0));
    c_startOfPages = (Uint32 *)p.p;
    c_pagePool.release(p);
    
    NewVARIABLE* bat = allocateBat(1);
    bat[0].WA = c_startOfPages;
    bat[0].nrr = c_pagePool.getSize()*sizeof(Page32)/sizeof(Uint32);
  }
  
  // Add received signals
  addRecSignal(GSN_STTOR, &Backup::execSTTOR);
  addRecSignal(GSN_DUMP_STATE_ORD, &Backup::execDUMP_STATE_ORD);
  addRecSignal(GSN_READ_NODESCONF, &Backup::execREAD_NODESCONF);
  addRecSignal(GSN_NODE_FAILREP, &Backup::execNODE_FAILREP);
  addRecSignal(GSN_INCL_NODEREQ, &Backup::execINCL_NODEREQ);
  addRecSignal(GSN_CONTINUEB, &Backup::execCONTINUEB);
  
  addRecSignal(GSN_SCAN_HBREP, &Backup::execSCAN_HBREP);
  addRecSignal(GSN_TRANSID_AI, &Backup::execTRANSID_AI);
  addRecSignal(GSN_KEYINFO20, &Backup::execKEYINFO20);
  addRecSignal(GSN_SCAN_FRAGREF, &Backup::execSCAN_FRAGREF);
  addRecSignal(GSN_SCAN_FRAGCONF, &Backup::execSCAN_FRAGCONF);

  addRecSignal(GSN_BACKUP_TRIG_REQ, &Backup::execBACKUP_TRIG_REQ);
  addRecSignal(GSN_TRIG_ATTRINFO, &Backup::execTRIG_ATTRINFO);
  addRecSignal(GSN_FIRE_TRIG_ORD, &Backup::execFIRE_TRIG_ORD);

  addRecSignal(GSN_LIST_TABLES_CONF, &Backup::execLIST_TABLES_CONF);
  addRecSignal(GSN_GET_TABINFOREF, &Backup::execGET_TABINFOREF);
  addRecSignal(GSN_GET_TABINFO_CONF, &Backup::execGET_TABINFO_CONF);

  addRecSignal(GSN_CREATE_TRIG_REF, &Backup::execCREATE_TRIG_REF);
  addRecSignal(GSN_CREATE_TRIG_CONF, &Backup::execCREATE_TRIG_CONF);

  addRecSignal(GSN_ALTER_TRIG_REF, &Backup::execALTER_TRIG_REF);
  addRecSignal(GSN_ALTER_TRIG_CONF, &Backup::execALTER_TRIG_CONF);
  
  addRecSignal(GSN_DROP_TRIG_REF, &Backup::execDROP_TRIG_REF);
  addRecSignal(GSN_DROP_TRIG_CONF, &Backup::execDROP_TRIG_CONF);

  addRecSignal(GSN_DI_FCOUNTCONF, &Backup::execDI_FCOUNTCONF);
  addRecSignal(GSN_DIGETPRIMCONF, &Backup::execDIGETPRIMCONF);

  addRecSignal(GSN_FSOPENREF, &Backup::execFSOPENREF);
  addRecSignal(GSN_FSOPENCONF, &Backup::execFSOPENCONF);

  addRecSignal(GSN_FSCLOSEREF, &Backup::execFSCLOSEREF);
  addRecSignal(GSN_FSCLOSECONF, &Backup::execFSCLOSECONF);

  addRecSignal(GSN_FSAPPENDREF, &Backup::execFSAPPENDREF);
  addRecSignal(GSN_FSAPPENDCONF, &Backup::execFSAPPENDCONF);

  addRecSignal(GSN_FSREMOVEREF, &Backup::execFSREMOVEREF);
  addRecSignal(GSN_FSREMOVECONF, &Backup::execFSREMOVECONF);

  /*****/
  addRecSignal(GSN_BACKUP_REQ, &Backup::execBACKUP_REQ);
  addRecSignal(GSN_ABORT_BACKUP_ORD, &Backup::execABORT_BACKUP_ORD);

  addRecSignal(GSN_DEFINE_BACKUP_REQ, &Backup::execDEFINE_BACKUP_REQ);
  addRecSignal(GSN_DEFINE_BACKUP_REF, &Backup::execDEFINE_BACKUP_REF);
  addRecSignal(GSN_DEFINE_BACKUP_CONF, &Backup::execDEFINE_BACKUP_CONF);

  addRecSignal(GSN_START_BACKUP_REQ, &Backup::execSTART_BACKUP_REQ);
  addRecSignal(GSN_START_BACKUP_REF, &Backup::execSTART_BACKUP_REF);
  addRecSignal(GSN_START_BACKUP_CONF, &Backup::execSTART_BACKUP_CONF);
  
  addRecSignal(GSN_BACKUP_FRAGMENT_REQ, &Backup::execBACKUP_FRAGMENT_REQ);
  //addRecSignal(GSN_BACKUP_FRAGMENT_REF, &Backup::execBACKUP_FRAGMENT_REF);
  addRecSignal(GSN_BACKUP_FRAGMENT_CONF, &Backup::execBACKUP_FRAGMENT_CONF);
  
  addRecSignal(GSN_STOP_BACKUP_REQ, &Backup::execSTOP_BACKUP_REQ);
  addRecSignal(GSN_STOP_BACKUP_REF, &Backup::execSTOP_BACKUP_REF);
  addRecSignal(GSN_STOP_BACKUP_CONF, &Backup::execSTOP_BACKUP_CONF);
  
  //addRecSignal(GSN_BACKUP_STATUS_REQ, &Backup::execBACKUP_STATUS_REQ);
  //addRecSignal(GSN_BACKUP_STATUS_CONF, &Backup::execBACKUP_STATUS_CONF);
  
  addRecSignal(GSN_UTIL_SEQUENCE_REF, &Backup::execUTIL_SEQUENCE_REF);
  addRecSignal(GSN_UTIL_SEQUENCE_CONF, &Backup::execUTIL_SEQUENCE_CONF);

  addRecSignal(GSN_WAIT_GCP_REF, &Backup::execWAIT_GCP_REF);
  addRecSignal(GSN_WAIT_GCP_CONF, &Backup::execWAIT_GCP_CONF);

  /**
   * Testing
   */
  addRecSignal(GSN_BACKUP_REF, &Backup::execBACKUP_REF);
  addRecSignal(GSN_BACKUP_CONF, &Backup::execBACKUP_CONF);
  addRecSignal(GSN_BACKUP_ABORT_REP, &Backup::execBACKUP_ABORT_REP);
  addRecSignal(GSN_BACKUP_COMPLETE_REP, &Backup::execBACKUP_COMPLETE_REP);
}
  
Backup::~Backup()
{
}

BLOCK_FUNCTIONS(Backup);

